Calculate route from Thayer Memorial (airport) (Missouri, United States) to O'Fallon (Missouri, United States).
The flight distance (as the crow flies) between Thayer Memorial (airport) and O'Fallon is 265.5 km.
Roadmap (route) to go from Thayer Memorial Airport to O'Fallon detailed above, you can also see the course layout on the map.
While doing trip Thayer Memorial (airport) - O'Fallon by car, the calculated route ends at a distance , or more straight.
Country flag | ![]() |
Location | O'Fallon |
State | Missouri |
County | Saint Charles County |
Country | United States |
Country code / ISO 2 | US |
Latitude | 38.8106100 |
Longitude | -90.6998500 |
Altitude | 165 meters |
Time zone | America/Chicago |